The Ninja Paintball One Tank Two Air Lines Remote lets you dual wield John Woo-style!

The Ninja Paintball One Tank Two Guns Remote Line let's you power to
paintball markers from one air tank. This is perfect for those who want
run with two guns like Chuck Norris, a crazy scenario double gun mount,
or two markers on opposite sides in a paintball tank. The Ninja two
marker paintball remote utilizes one central on/off tank adapter and two
flexible 52 inch hoses complete with slide check valves, quick
disconnects and ASA adapters.